2007 Mercedes E-Class Owner's Manual - Page 230

Controls in detail 4-zone automatic climate control Adjusting air volume Use buttons U ( page 222) or ( page 223) for automatic mode or air volume buttons ˜ or Q ( page 222) or ( page 223) to adjust air volume manually. Nine blower speeds are available. Press button ˜ to decrease or button Q to increase air volume to the desired level. The AUTO indicator for air volume in the display 4 ( page 222) or ( page 223) goes out. The selected blower speed is shown in the display 4. Automatic air distribution remains switched on. The indicator lamps on the U buttons remain lit. Front defroster You can use this setting to defrost the windshield, for example if it is iced up. You can also defog the windshield and the windows. The air conditioning switches automatically to the following functions: cooling on to dehumidify maximum blowing and heating power (depends on cooling temperature) air flows onto the windshield and the front windows the air recirculation mode is switched off i Keep this setting selected only until the windshield or the windows are clear again. Activating Press button 0 or P ( page 222) or ( page 223). The indicator lamp on the button comes on. Display 4 ( page 222) or ( page 223) is cleared. i If you have switched on the defrost function using the 0 or P button, you cannot make any other settings. Deactivating Press button 0 or P ( page 222) or ( page 223) again. The indicator lamp on the button goes out. Defrosting is turned off. The previous settings are once again in effect. i The cooling remains switched on. 229